#!/bin/bash

##
# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
# This file is part of openmano
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# For those usages not covered by the Apache License, Version 2.0 please
# contact with: nfvlabs@tid.es
##

#This script can be used as a basic test of openmano.
#WARNING: It destroy the database content


function usage(){
    echo -e "usage: ${BASH_SOURCE[0]} [OPTIONS] <action>\n  test openmano using openvim as a VIM"
    echo -e "           the OPENVIM_HOST, OPENVIM_PORT shell variables indicate openvim location"
    echo -e "           by default localhost:9080"
    echo -e "  <action> is a list of the following items (by default 'reset add-openvim create delete del-openvim')"
    echo -e "    reset       resets the openmano database content and creates osm tenant"
    echo -e "    add-openvim adds and attaches a local openvim datacenter"
    echo -e "    del-openvim detaches and deletes the local openvim datacenter"
    echo -e "    create      creates VNFs, scenarios and instances"
    echo -e "    delete      deletes the created instances, scenarios and VNFs"
    echo -e "  OPTIONS:"
    echo -e "    -f --force       does not prompt for confirmation"
    echo -e "    -h --help        shows this help"
    echo -e "    --screen         forces to run openmano (and openvim) service in a screen"
    echo -e "    --insert-bashrc  insert the created tenant,datacenter variables at"
    echo -e "                     ~/.bashrc to be available by openmano CLI"
    echo -e "    --install-openvim   installs openvim in test mode"
    echo -e "    --init-openvim --initopenvim    if openvim runs locally, initopenvim is called to clean openvim"\
            "database, create osm tenant and add fake hosts"
}

function is_valid_uuid(){
    echo "$1" | grep -q -E '^[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}$' && return 0
    return 1
}

#detect if is called with a source to use the 'exit'/'return' command for exiting
DIRNAME=$(dirname $(readlink -f ${BASH_SOURCE[0]}))
DIRmano=$(dirname $DIRNAME)
DIRscript=${DIRmano}/scripts

#detect paths of executables, preceding the relative paths
openmano=openmano && [[ -x "${DIRmano}/openmano" ]] && openmano="${DIRmano}/openmano"
service_openmano=service-openmano && [[ -x "$DIRscript/service-openmano" ]] &&
    service_openmano="$DIRscript/service-openmano"
initopenvim="initopenvim"
openvim="openvim"

[[ ${BASH_SOURCE[0]} != $0 ]] && _exit="return" || _exit="exit"


#process options
source ${DIRscript}/get-options.sh "force:f help:h insert-bashrc init-openvim:initopenvim install-openvim screen" \
                $* || $_exit 1

#help
[ -n "$option_help" ] && usage && $_exit 0

#check correct arguments
force_param="" && [[ -n "$option_force" ]] && force_param=" -f"
insert_bashrc_param="" && [[ -n "$option_insert_bashrc" ]] && insert_bashrc_param=" --insert-bashrc"
screen_mano_param="" && [[ -n "$option_screen" ]] && screen_mano_param=" --screen-name=mano" 
screen_vim_param=""  && [[ -n "$option_screen" ]] && screen_vim_param=" --screen-name=vim" 

action_list=""

for argument in $params
do
    if [[ $argument == reset ]] || [[ $argument == create ]] || [[ $argument == delete ]] ||
       [[ $argument == add-openvim ]] || [[ $argument == del-openvim ]] || [[ -z "$argument" ]]
    then
        action_list="$action_list $argument"
        continue
    fi
    echo "invalid argument '$argument'?  Type -h for help" >&2 && $_exit 1
done

export OPENMANO_HOST=localhost
export OPENMANO_PORT=9090
[[ -n "$option_insert_bashrc" ]] && echo -e "\nexport OPENMANO_HOST=localhost"  >> ~/.bashrc
[[ -n "$option_insert_bashrc" ]] && echo -e "\nexport OPENMANO_PORT=9090"  >> ~/.bashrc


#by default action should be reset and create
[[ -z $action_list ]]  && action_list="reset add-openvim create delete del-openvim"

if [[ -n "$option_install_openvim" ]] 
then
    echo
    echo "action: install openvim"
    echo "################################"
    mkdir -p ${DIRNAME}/local
    pushd ${DIRNAME}/local
    echo "installing openvim at  ${DIRNAME}/openvim ... "
    wget -O install-openvim.sh "https://osm.etsi.org/gitweb/?p=osm/openvim.git;a=blob_plain;f=scripts/install-openvim.sh"
    chmod +x install-openvim.sh
    sudo ./install-openvim.sh --no-install-packages --force --quiet --develop
    openvim="${DIRNAME}/local/openvim/openvim"
    #force inito-penvim
    option_init_openvim="-"
    initopenvim="${DIRNAME}/local/openvim/scripts/initopenvim"
    popd
fi

if [[ -n "$option_init_openvim" ]]
then
    echo
    echo "action: init openvim"
    echo "################################"
    ${initopenvim} ${force_param}${insert_bashrc_param}${screen_vim_param} || \
        echo "WARNING openvim cannot be initialized. The rest of test can fail!"
fi

#check openvim client variables are set
#fail=""
#[[ -z $OPENVIM_HOST ]] && echo "OPENVIM_HOST variable not defined" >&2 && fail=1
#[[ -z $OPENVIM_PORT ]] && echo "OPENVIM_PORT variable not defined" >&2 && fail=1
#[[ -n $fail ]] && $_exit 1


for action in $action_list
do
    echo
    echo "action: $action"
    echo "################################"
#if [[ $action == "install-openvim" ]]
    #echo "Installing and starting openvim"
    #mkdir -p temp
    #pushd temp
    #wget https://github.com/nfvlabs/openvim/raw/v0.4/scripts/install-openvim.sh
    #chmod -x install-openvim.sh
#fi

if [[ $action == "reset" ]]
then

    #ask for confirmation if argument is not -f --force
    force_=y
    [[ -z "$option_force" ]] && read -e -p "WARNING: reset openmano database, content will be lost!!! Continue(y/N) " force_
    [[ $force_ != y ]] && [[ $force_ != yes ]] && echo "aborted!" && $_exit

    echo "Stopping openmano"
    $service_openmano mano stop${screen_mano_param}
    echo "Initializing openmano database"
    $DIRmano/database_utils/init_mano_db.sh -u mano -p manopw
    echo "Starting openmano"
    $service_openmano mano start${screen_mano_param}
    echo
    printf "%-50s" "Creating openmano tenant 'osm': "
    result=`$openmano tenant-create osm --description="created by basictest.sh"`
    nfvotenant=`echo $result |gawk '{print $1}'`
    #check a valid uuid is obtained
    ! is_valid_uuid $nfvotenant && echo "FAIL" && echo "    $result" && $_exit 1
    export OPENMANO_TENANT=osm
    [[ -n "$option_insert_bashrc" ]] && echo -e "\nexport OPENMANO_TENANT=osm"  >> ~/.bashrc
    echo $nfvotenant

elif [[ $action == "delete" ]]
then
    result=`openmano tenant-list osm`
    nfvotenant=`echo $result |gawk '{print $1}'`
    #check a valid uuid is obtained
    is_valid_uuid $nfvotenant || ! echo "Tenant osm not found. Already delete?" >&2 || $_exit 1
    export OPENMANO_TENANT=$nfvotenant
    $openmano instance-scenario-delete -f simple-instance     || echo "fail"
    $openmano instance-scenario-delete -f complex-instance    || echo "fail"
    $openmano instance-scenario-delete -f complex2-instance   || echo "fail"
    $openmano instance-scenario-delete -f complex3-instance   || echo "fail"
    $openmano instance-scenario-delete -f complex4-instance   || echo "fail"
    $openmano instance-scenario-delete -f complex5-instance   || echo "fail"
    $openmano scenario-delete -f simple           || echo "fail"
    $openmano scenario-delete -f complex          || echo "fail"
    $openmano scenario-delete -f complex2         || echo "fail"
    $openmano scenario-delete -f complex3         || echo "fail"
    $openmano scenario-delete -f complex4         || echo "fail"
    $openmano scenario-delete -f complex5         || echo "fail"
    $openmano vnf-delete -f linux                 || echo "fail"
    $openmano vnf-delete -f linux_2VMs_v02        || echo "fail"
    $openmano vnf-delete -f dataplaneVNF_2VMs     || echo "fail"
    $openmano vnf-delete -f dataplaneVNF_2VMs_v02 || echo "fail"
    $openmano vnf-delete -f dataplaneVNF4         || echo "fail"
    $openmano vnf-delete -f dataplaneVNF2         || echo "fail"
    $openmano vnf-delete -f dataplaneVNF3         || echo "fail"

elif [[ $action == "del-openvim" ]]
then
    $openmano datacenter-detach local-openvim           || echo "fail"
    $openmano datacenter-delete -f local-openvim        || echo "fail"

elif [[ $action == "add-openvim" ]]
then

    printf "%-50s" "Creating datacenter 'local-openvim' at openmano:"
    [[ -z $OPENVIM_HOST ]] && OPENVIM_HOST=localhost
    [[ -z $OPENVIM_PORT ]] && OPENVIM_PORT=9080
    URL_ADMIN_PARAM=""
    [[ -n $OPENVIM_ADMIN_PORT ]] && URL_ADMIN_PARAM=" --url_admin=http://${OPENVIM_HOST}:${OPENVIM_ADMIN_PORT}/openvim"
    result=`$openmano datacenter-create local-openvim "http://${OPENVIM_HOST}:${OPENVIM_PORT}/openvim" \
            --type=openvim${URL_ADMIN_PARAM} --config="{test: no use just for test}"`
    datacenter=`echo $result |gawk '{print $1}'`
    #check a valid uuid is obtained
    ! is_valid_uuid $datacenter && echo "FAIL" && echo "    $result" && $_exit 1
    echo $datacenter
    export OPENMANO_DATACENTER=local-openvim
    [[ -n "$option_insert_bashrc" ]] && echo -e "\nexport OPENMANO_DATACENTER=local-openvim"  >> ~/.bashrc

    printf "%-50s" "Attaching openmano tenant to the datacenter:"
    result=`$openmano datacenter-attach local-openvim --vim-tenant-name=osm --config="{test: no use just for test}"`
    [[ $? != 0 ]] && echo  "FAIL" && echo "    $result" && $_exit 1
    echo OK

    printf "%-50s" "Updating external nets in openmano: "
    result=`$openmano datacenter-netmap-delete -f --all`
    [[ $? != 0 ]] && echo  "FAIL" && echo "    $result"  && $_exit 1
    result=`$openmano datacenter-netmap-import -f`
    [[ $? != 0 ]] && echo  "FAIL" && echo "    $result"  && $_exit 1
    echo OK

elif [[ $action == "create" ]]
then
    for VNF in linux dataplaneVNF1 dataplaneVNF2 dataplaneVNF_2VMs dataplaneVNF_2VMs_v02 dataplaneVNF3 linux_2VMs_v02 dataplaneVNF4
    do    
        printf "%-50s" "Creating VNF '${VNF}': "
        result=`$openmano vnf-create $DIRmano/vnfs/examples/${VNF}.yaml`
        vnf=`echo $result |gawk '{print $1}'`
        #check a valid uuid is obtained
        ! is_valid_uuid $vnf && echo FAIL && echo "    $result" &&  $_exit 1
        echo $vnf
    done
    for NS in simple complex complex2 complex3 complex4 complex5
    do
        printf "%-50s" "Creating scenario '${NS}':"
        result=`$openmano scenario-create $DIRmano/scenarios/examples/${NS}.yaml`
        scenario=`echo $result |gawk '{print $1}'`
        ! is_valid_uuid $scenario && echo FAIL && echo "    $result" &&  $_exit 1
        echo $scenario
    done

    for IS in simple complex complex2 complex3 complex5
    do
        printf "%-50s" "Creating instance-scenario '${IS}':"
        result=`$openmano instance-scenario-create  --scenario ${IS} --name ${IS}-instance`
        instance=`echo $result |gawk '{print $1}'`
        ! is_valid_uuid $instance && echo FAIL && echo "    $result" &&  $_exit 1
        echo $instance
    done

    printf "%-50s" "Creating instance-scenario 'complex4':"
    result=`$openmano instance-scenario-create $DIRmano/instance-scenarios/examples/instance-creation-complex4.yaml`
    instance=`echo $result |gawk '{print $1}'`
    ! is_valid_uuid $instance && echo FAIL && echo "    $result" &&  $_exit 1
    echo $instance

    echo
    #echo "Check virtual machines are deployed"
    #vms_error=`openvim vm-list | grep ERROR | wc -l`
    #vms=`openvim vm-list | wc -l`
    #[[ $vms -ne 8 ]]       &&  echo "WARNING: $vms VMs created, must be 8 VMs" >&2 && $_exit 1
    #[[ $vms_error -gt 0 ]] &&  echo "WARNING: $vms_error VMs with ERROR" >&2       && $_exit 1
fi
done

echo
echo DONE